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Old 02-11-2017, 07:40 PM   #1
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THOR #6459
C class sprinter inverter install

I would like to know if anyone has installed an inverter on their c class sprinter? If so what model, your problems, location, lessons learned. Thanks.
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Old 02-11-2017, 08:07 PM   #2
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Had an 1800 watt inverter installed in our Gemini. Made it past of the deal when we bought, the tech mounted it in the outside storage bin, right side, behind the entry door. The control is on the cabinet side, along the stairwell on the left side as you enter the coach, which is where a lot of the other switches are. The inverter in addition to feeding outlets, also gives me telemetry about battery condition and charging which the inverter does in addition to the converter. So far so good.
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Old 02-12-2017, 02:11 AM   #3
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Had an 1800 watt inverter installed in our Gemini. Made it past of the deal when we bought, the tech mounted it in the outside storage bin, right side, behind the entry door. The control is on the cabinet side, along the stairwell on the left side as you enter the coach, which is where a lot of the other switches are. The inverter in addition to feeding outlets, also gives me telemetry about battery condition and charging which the inverter does in addition to the converter. So far so good.


Thanks for the information, did the tech just tie in to the whole electrical system or designated circuits?
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Old 02-12-2017, 11:48 AM   #4
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Just some specific outlets, 1800 watts is not enough to power the entire coach, nor is there enough battery reserve.
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Old 02-12-2017, 12:37 PM   #5
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Just some specific outlets, 1800 watts is not enough to power the entire coach, nor is there enough battery reserve.


Yes thank you. I realize that it is almost impossible to power the whole coach, but I was thinking for ease of installation it could be done and then just select the compatible circuits. Any thoughts?
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Old 02-12-2017, 03:15 PM   #6
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Yes thank you. I realize that it is almost impossible to power the whole coach, but I was thinking for ease of installation it could be done and then just select the compatible circuits. Any thoughts?
Wiring into the entire coach would require another large transfer switch to select between shore/genny (the existing transfer switch) and the inverter... Inverters with built in transfer switch cannot handle that current in 'pass thru' mode.

The most common RV inverters can handle a 15A load - 50% of a 30A rig (bit not A/C) - and only 15% of a '50A' rig (really two 50A 110 circuits or 100A of 110v).

Typically used on a single circuit (output from battery and 110v circuit breaker goes into inverter with built in transfer switch) - or for multiple circuits a larger inverter and 110v feeding a subpanel - again with appropriate transfer switch included or separate.)
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Old 02-12-2017, 04:35 PM   #7
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Originally Posted by gmc View Post
Wiring into the entire coach would require another large transfer switch to select between shore/genny (the existing transfer switch) and the inverter... Inverters with built in transfer switch cannot handle that current in 'pass thru' mode.

The most common RV inverters can handle a 15A load - 50% of a 30A rig (bit not A/C) - and only 15% of a '50A' rig (really two 50A 110 circuits or 100A of 110v).

Typically used on a single circuit (output from battery and 110v circuit breaker goes into inverter with built in transfer switch) - or for multiple circuits a larger inverter and 110v feeding a subpanel - again with appropriate transfer switch included or separate.)


Thanks, really good to know
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Old 02-12-2017, 04:44 PM   #8
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I installed a Go Power! GP-SW1500-12 1500-Watt Pure Sine Wave Inverter. The heavy power cable is running from the coach batteries into the compartment right behind and over the top inside to the compartment on the driver side. There, a large AGM battery is attached with a heavy breaker in between. The power then runs through another breaker to the inverter installed next to the coach power cord. When turning the inverter on, the coach power cord is plugged directly with a 15 amp adapter. When activating the inverter we manually flip a couple of breakers off on the coach 120 panel. (Converter off to prevent a loop and AC to prevent unintentional operation) When connecting to external power the procedure is reversed. The breaker between the batteries allows the use of an AGM charger/conditioner on the AGM batteries when connected to external power. This set up has performed flawlessly for two years allowing the use of the televisions, and in-motion sat, and chargers while also operating the refrig on 120.
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Old 02-12-2017, 05:04 PM   #9
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Originally Posted by EV2 View Post
I installed a Go Power! GP-SW1500-12 1500-Watt Pure Sine Wave Inverter. The heavy power cable is running from the coach batteries into the compartment right behind and over the top inside to the compartment on the driver side. There, a large AGM battery is attached with a heavy breaker in between. The power then runs through another breaker to the inverter installed next to the coach power cord. When turning the inverter on, the coach power cord is plugged directly with a 15 amp adapter. When activating the inverter we manually flip a couple of breakers off on the coach 120 panel. (Converter off to prevent a loop and AC to prevent unintentional operation) When connecting to external power the procedure is reversed. The breaker between the batteries allows the use of an AGM charger/conditioner on the AGM batteries when connected to external power. This set up has performed flawlessly for two years allowing the use of the televisions, and in-motion sat, and chargers while also operating the refrig on 120.


Thanks, options, options, options.
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Old 02-12-2017, 07:33 PM   #10
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You kind of have to define what your expectations are. We just wanted some specific outlets to be live, and the TV's and satellite system to work. We did not include the microwave, as its kind of a power hog, and only runs for short periods of time, so starting the generator for a few minutes to run the Microwave is to us no big deal.
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